If you're toying with the idea of running a marathon, you're likely already a pretty avid runner. I'm guessing you've raced 5ks and 10ks and perhaps some half marathons as well. At this point, it's natural to be asking yourself, "Should I run a marathon?" Though I can't make the decision for you, I'll happily give you some reasons to help guide your choice. You should run a marathon if: it's one of your goals it sounds...
